/proc/self/task/4
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
4 (node) S 2 2 0 0 -1 4194560 9713 0 617 0 37 7 0 0 20 0 11 0 3906 1793642496 25382 18446744073709551615 94365903245312 94365947004853 140737181909744 0 0 0 0 16781312 17922 1 0 0 17 1 0 0 2 0 0 94366003605408 94366004491120 94366028668928 140737181914510 140737181914748 140737181914748 140737181917157 0